86530240 has 28 divisors (see below), whose sum is σ = 206050896. Its totient is φ = 34611968.

The previous prime is 86530217. The next prime is 86530247. The reversal of 86530240 is 4203568.

It is a junction number, because it is equal to n+sod(n) for n = 86530199 and 86530208.

It is not an unprimeable number, because it can be changed into a prime (86530247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134884 + ... + 135523.

Almost surely, 2^86530240 is an apocalyptic number.

86530240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

86530240 is an abundant number, since it is smaller than the sum of its proper divisors (119520656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86530240 is a wasteful number, since it uses less digits than its factorization.

86530240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270424 (or 270414 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 86530240 is about 9302.1631892802. The cubic root of 86530240 is about 442.3058017698.

The spelling of 86530240 in words is "eighty-six million, five hundred thirty thousand, two hundred forty".